Question
4 X + 2 Y = 42
5 X + 3 Y = 57

Fill in the blanks.
  1. 1 X = _____
  2. 1 Y = _____
  3. 5 X + 3 Y = _____



4 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

(c)

Click button first when a symbol is required. X

4 X + 2 Y = 42
5 X + 3 Y = 57

Fill in the blanks.
  1. 1 X = _____
  2. 1 Y = _____
  3. 5 X + 3 Y = _____